package com.example.demo.service;

public class Student {
    private String code;
    private  String msg;

    public Student() {
    }

    public Student(String code, String msg) {
        this.code = code;
        this.msg = msg;
    }

    public static  Student success(){
        return Student.success("操作成功");
     }
     public static Student success(String msg){
         return new Student("200", msg);
     }
}
